LiferayServletRequest.java |
1 /** 2 * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved. 3 * 4 * 5 * 6 * 7 * The contents of this file are subject to the terms of the Liferay Enterprise 8 * Subscription License ("License"). You may not use this file except in 9 * compliance with the License. You can obtain a copy of the License by 10 * contacting Liferay, Inc. See the License for the specific language governing 11 * permissions and limitations under the License, including but not limited to 12 * distribution rights of the Software. 13 * 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 20 * SOFTWARE. 21 */ 22 23 package com.liferay.portal.upload; 24 25 import java.io.IOException; 26 27 import javax.servlet.ServletInputStream; 28 import javax.servlet.http.HttpServletRequest; 29 import javax.servlet.http.HttpServletRequestWrapper; 30 31 /** 32 * <a href="LiferayServletRequest.java.html"><b><i>View Source</i></b></a> 33 * 34 * @author Brian Myunghun Kim 35 * @author Brian Wing Shun Chan 36 */ 37 public class LiferayServletRequest extends HttpServletRequestWrapper { 38 39 public LiferayServletRequest(HttpServletRequest request) { 40 super(request); 41 42 _request = request; 43 } 44 45 public ServletInputStream getInputStream() throws IOException { 46 if (_lis == null) { 47 _lis = new LiferayInputStream(_request); 48 49 return _lis; 50 } 51 else { 52 53 // Return the cached input stream the second time the user requests 54 // the input stream, otherwise, it will return an empty input stream 55 // because it has already been parsed 56 57 return _lis.getCachedInputStream(); 58 } 59 } 60 61 private HttpServletRequest _request; 62 private LiferayInputStream _lis = null; 63 64 }